Many people are familiar with the Disney version of Alice in Wonderland, but long before it was an animated movie, Lewis Carroll's story was a beloved book. An eBook gives readers access to an early edition of the story. The text...

Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts. 

This is the electronic text for math foundations for grades 6-8. It is in the process of being rewritten so only specific sections are available now. More will be added over time.

This textbook chapter looks at the role of temperature in sustaining life on Earth and on weather and climate. It discusses the Earth's movements and the seasons, the circulation of the oceans, wind and weather, and the water cycle....

Students will be challenged when they take this interactive grammar quiz? This quiz asks students to identify whether or not the sentence is grammatically correct. Come and check it out.

This proofreading exercise asks students to read sentences and using the drop-down menu to select the correct choice for the blank. These sentences cover capitalization, punctuation, spelling, and usage.

In this activity, students are to read the sentence, and select the complete verb phrase from the options given in an arrow-down box. Java is required.

Classic Reader provides numerous classic works from famous authors. One work from the early 1900's is A Daughter of the Land, the eighth novel written by the noted author, movie producer, nature photographer, and naturalist named Gene...

Read about how the colony of Connecticut grew from an expansion of the Massachusetts Bay Colony. See how Thomas Hooker's idea of government resulted in a model of colonial charters, and find out how two very different settlements in...

Classic Reader provides numerous classic works from famous authors. First published in 1887, one work is Kashtanka, a children's story about a dog. This literary work was written by the Russian author Anton Chekhov.

Discover the function of the innate immune system.

Learn about some autoimmune disorders that affect human health.

Explore carcinogens and their relation to cancer.

Understand the HIV virus that causes AIDS.

Understand how pathogens cause infections in humans.

Understand the human senses of taste and smell.

Understand the human body's sense of touch.

Understand the human sense of hearing and how it relates to balance.

Learn about the structure and function of the human eye.

Understand the nature of human vision.

Learn the structure and function of the central nervous system.

Understand the structure and function of a nerve cell, and how messages are transmitted throughout the human body.

Take a look at some disorders of the human Excretory system.

Understand the importance of the human kidneys.